Philips EP 800 Series - Page 38

38
Philips EP Series
Test mode
Press and release B4 to
switch on the Pump (100
impulses). With the EV open
the water goes out from the
HotWater spout.
With the EV closed the water
goes out from the Coffee
spout.
L5(O) ON & L19(B)
BLINK followig the
impulses of the
flowmeter
L5 ON & L19
remain OFF,
Pump ON
and after 5sec.
L5 OFF & L26
ON, Pump OFF.
Wiring of the
Flowmeter not
connected
Check the wiring
Wiring of the
Flowmeter
damaged (open)
Change the wiring
Flowmeter
damaged
Change the
Flowmeter
Connector JP20 in
Main damaged
(short circuit)
Change Main Board
uP U2 in Main
damaged (short
circuit in Pin18)
Change Main Board
L5 ON & L19
remain OFF,
Pump OFF, and
after 5sec. L5
OFF & L26 ON ,
Pump OFF.
Wiring of the PUMP
not connected
Check the wiring
Wiring of the PUMP
damaged (open)
Change Main Board
PUMP damaged Change the PUMP
The drive of the
Pump in the Main is
damaged
Change Main Board
ThermoBlock and NTC
Press and release B8 to
toggle the ThermoBlock.
Check the absorbed current.
In this case we suppose that
was OFF, then will be ON
100%.
L11(O) OFF->ON
L26 ON
Wiring of the NTC
not connected
Check the wiring
Wiring of the NTC
damaged (open)
Change the wiring
NTC damaged Change the wiring
Connector JP15 in
Main damaged
(short circuit)
Change Main Board
uP U2 in Main
damaged (short
circuit in Pin24)
Change Main Board
The current is
out of range
TB damaged Change the TB
The drive of the TB
in the Main is
damaged
Change Main Board
L11(O) OFF &
L26(R) Blink
The TB has
reached the max
temperature.
Brew water to reduce
the temperature. And
repeat the test.
The current is
very low <0,5A.
Wiring of the TB not
connected
Check the wiring
TCO open Change theTCOs
Wiring of the TB
damaged (open)
Change the wiring
TB damaged Change the TB
The drive of the TB
in the Main is
damaged
Change Main Board
Press and release B8 to
toggle the ThermoBlock.
Check the absorbed current
< 0,5A. In this case we
suppose that was ON, then
L11(O) ON->OFF
The current is
still
present>0,5A.
The drive of the TB
in the Main is
damaged Change Main Board